package com.imooc.service.impl;

import com.imooc.dto.OrderDTO;
import com.imooc.enums.ResultEnum;
import com.imooc.exception.SellException;
import com.imooc.service.BuyerService;
import com.imooc.service.OrderService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * Created by zhanglei on 2019/4/7.
 * 这些方法因为调用orderservice之前有一些相同的逻辑，相当于又加了一层
 */
@Service
@Slf4j
public class BuyerServiceImpl implements BuyerService {

    @Autowired
    private OrderService orderService;

    @Override
    public OrderDTO findOrderOne(String openid, String orderId) {

        return checkOrderOwner(openid, orderId);

    }

    @Override
    public OrderDTO cancelOrder(String openid, String orderId) {
        OrderDTO orderDTO = checkOrderOwner(openid, orderId);
        if (orderDTO == null) {
            log.error("[取消订单]查不到该订单，orderid={}",orderId);
            throw new SellException(ResultEnum.ORDER_NOT_EXIST);
        }

        return orderService.cancel(orderDTO);
    }


    private OrderDTO checkOrderOwner(String openid, String orderId) {
        OrderDTO orderDTO = orderService.findOne(orderId);
        if (orderDTO == null) {
            return null;
        }
        if (!orderDTO.getBuyerOpenid().equals(openid)) {
            log.error("[查询订单]失败，订单的openid不一致，openid={}，orderdto={}",openid,orderDTO);
            throw new SellException(ResultEnum.ORDER_OWNER_ERROR);
        }
        return orderDTO;
    }

}
